Extend the use of QualifiedNameType to the creation of class template

specialization names. This way, we keep track of sugared types like

  std::vector<Real>

I believe we are now using QualifiedNameTypes everywhere we can. Next
step: QualifiedDeclRefExprs.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67268 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index a8be924fc8..24b32e8147 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -1077,3 +1077,16 @@ bool Sema::RequireCompleteType(SourceLocation Loc, QualType T, unsigned diag,
 
   return true;
 }
+
+/// \brief Retrieve a version of the type 'T' that is qualified by the
+/// nested-name-specifier contained in SS.
+QualType Sema::getQualifiedNameType(const CXXScopeSpec &SS, QualType T) {
+  if (!SS.isSet() || SS.isInvalid() || T.isNull())
+    return T;
+  
+  llvm::SmallVector<NestedNameSpecifier, 4> Specs;
+  for (CXXScopeSpec::iterator Spec = SS.begin(), SpecEnd = SS.end();
+       Spec != SpecEnd; ++Spec)
+    Specs.push_back(NestedNameSpecifier::getFromOpaquePtr(*Spec));
+  return Context.getQualifiedNameType(&Specs[0], Specs.size(), T);
+}